trezor-firmware/embed/bootloader/bootui.c

#include <string.h>

#include "display.h"
#include "mini_printf.h"

#include "bootui.h"
#include "version.h"

#include "icon_cancel.h"
#include "icon_confirm.h"
#include "icon_info.h"
#include "icon_done.h"
#include "icon_fail.h"
#include "icon_install.h"
#include "icon_wipe.h"

#define BACKLIGHT_NORMAL 150

#define COLOR_BL_FAIL     RGB16(0xFF, 0x00, 0x00)  // red
#define COLOR_BL_DONE     RGB16(0x00, 0xAE, 0x0B)  // green
#define COLOR_BL_PROCESS  RGB16(0x4A, 0x90, 0xE2)  // blue
#define COLOR_BL_GRAY     RGB16(0x99, 0x99, 0x99)  // gray

// boot UI

void ui_screen_boot(const vendor_header *vhdr, const image_header *hdr)
{
    const uint8_t *vimg = vhdr->vimg;
    const char *vstr = ((vhdr->vtrust & VTRUST_STRING) == 0) ? (const char *)vhdr->vstr : 0;
    const uint32_t vstr_len = ((vhdr->vtrust & VTRUST_STRING) == 0) ? vhdr->vstr_len : 0;
    const uint32_t fw_version = hdr->version;
    const uint16_t background = ((vhdr->vtrust & VTRUST_RED) == 0) ? RGB16(0xFF, 0x00, 0x00) : COLOR_BLACK;

    display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, background);
    // check whether vendor image is 120x120
    if (memcmp(vimg, "TOIf\x78\x00\x78\x00", 4) != 0) {
        return;
    }
    uint32_t datalen = *(uint32_t *)(vimg + 8);
    display_image((DISPLAY_RESX - 120) / 2, 32, 120, 120, vimg + 12, datalen);
    if (vstr && vstr_len) {
        display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 48, vstr, vstr_len, FONT_NORMAL, COLOR_WHITE, background, 0);
    }
    char ver_str[32];
    mini_snprintf(ver_str, sizeof(ver_str), "%d.%d.%d.%d",
        (int)(fw_version & 0xFF),
        (int)((fw_version >> 8) & 0xFF),
        (int)((fw_version >> 16) & 0xFF),
        (int)((fw_version >> 24) & 0xFF)
    );
    display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 25, ver_str, -1, FONT_NORMAL, COLOR_BL_GRAY, background, 0);
    ui_fadein();
}

void ui_screen_boot_wait(int delay)
{
    char wait_str[16];
    mini_snprintf(wait_str, sizeof(wait_str), "waiting for %ds", delay);
    display_bar(0, DISPLAY_RESY - 2 - 18, DISPLAY_RESX, 2 + 18, COLOR_BLACK);
    display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 2, wait_str, -1, FONT_NORMAL, COLOR_BL_GRAY, COLOR_BLACK, 0);
}

void ui_screen_boot_click(void) {
    display_bar(0, DISPLAY_RESY - 2 - 18, DISPLAY_RESX, 2 + 18, COLOR_BLACK);
    display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 2, "click to continue ...", -1, FONT_NORMAL, COLOR_BL_GRAY, COLOR_BLACK, 0);
}

// info UI

void ui_screen_info(secbool buttons, const vendor_header * const vhdr, const image_header * const hdr)
{
    display_backlight(0);
    display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, COLOR_WHITE);
    display_text(16, 32, "Bootloader mode", -1, FONT_NORMAL, COLOR_BLACK, COLOR_WHITE, 0);
    display_bar(16, 44, DISPLAY_RESX - 14 * 2, 1, COLOR_BLACK);
    display_icon(16, 54, 32, 32, toi_icon_info + 12, sizeof(toi_icon_info) - 12, COLOR_BL_GRAY, COLOR_WHITE);
    char ver_str[32];
    mini_snprintf(ver_str, sizeof(ver_str), "Bootloader %d.%d.%d.%d",
        VERSION_MAJOR,
        VERSION_MINOR,
        VERSION_PATCH,
        VERSION_BUILD
    );
    display_text(55, 70, ver_str, -1, FONT_NORMAL, COLOR_BL_GRAY, COLOR_WHITE, 0);
    if (vhdr && hdr) {
        mini_snprintf(ver_str, sizeof(ver_str), "Firmware %d.%d.%d.%d",
            (int)(hdr->version & 0xFF),
            (int)((hdr->version >> 8) & 0xFF),
            (int)((hdr->version >> 16) & 0xFF),
            (int)((hdr->version >> 24) & 0xFF)
        );
        display_text(55, 95, ver_str, -1, FONT_NORMAL, COLOR_BL_GRAY, COLOR_WHITE, 0);
        display_text(55, 120, (const char *)vhdr->vstr, vhdr->vstr_len, FONT_NORMAL, COLOR_BL_GRAY, COLOR_WHITE, 0);
    } else {
        display_text(55, 95, "No Firmware", -1, FONT_NORMAL, COLOR_BL_GRAY, COLOR_WHITE, 0);
    }

    if (sectrue == buttons) {
        display_text_center(120, 164, "Connect to host?", -1, FONT_NORMAL, COLOR_BLACK, COLOR_WHITE, 0);
        display_bar_radius(9, 184, 108, 50, COLOR_BL_FAIL, COLOR_WHITE, 4);
        display_icon(9 + (108 - 16) / 2, 184 + (50 - 16) / 2, 16, 16, toi_icon_cancel + 12, sizeof(toi_icon_cancel) - 12, COLOR_WHITE, COLOR_BL_FAIL);
        display_bar_radius(123, 184, 108, 50, COLOR_BL_DONE, COLOR_WHITE, 4);
        display_icon(123 + (108 - 19) / 2, 184 + (50 - 16) / 2, 20, 16, toi_icon_confirm + 12, sizeof(toi_icon_confirm) - 12, COLOR_WHITE, COLOR_BL_DONE);
    } else {
        display_text_center(120, 213, "Go to trezor.io/start", -1, FONT_NORMAL, COLOR_BLACK, COLOR_WHITE, 0);
    }
    ui_fadein();
}

// install UI

void ui_screen_install(void)
{
    display_fade(BACKLIGHT_NORMAL, 0, 100);
    display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, COLOR_WHITE);
    display_loader(1000, -20, COLOR_BL_PROCESS, COLOR_WHITE, toi_icon_install, sizeof(toi_icon_install), COLOR_BLACK);
    display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 24, "Installing firmware", -1, FONT_NORMAL, COLOR_BLACK, COLOR_WHITE, 0);
    display_fade(0, BACKLIGHT_NORMAL, 100);
}

void ui_screen_install_progress_erase(int pos, int len)
{
    display_loader(250 * pos / len, -20, COLOR_BL_PROCESS, COLOR_WHITE, toi_icon_install, sizeof(toi_icon_install), COLOR_BLACK);
}

void ui_screen_install_progress_upload(int pos)
{
    display_loader(pos, -20, COLOR_BL_PROCESS, COLOR_WHITE, toi_icon_install, sizeof(toi_icon_install), COLOR_BLACK);
}

// wipe UI

void ui_screen_wipe(void)
{
    display_fade(BACKLIGHT_NORMAL, 0, 100);
    display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, COLOR_WHITE);
    display_loader(1000, -20, COLOR_BL_PROCESS, COLOR_WHITE, toi_icon_wipe, sizeof(toi_icon_wipe), COLOR_BLACK);
    display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 24, "Wiping Device", -1, FONT_NORMAL, COLOR_BLACK, COLOR_WHITE, 0);
    display_fade(0, BACKLIGHT_NORMAL, 100);
}

void ui_screen_wipe_progress(int pos, int len)
{
    display_loader(1000 * pos / len, -20, COLOR_BL_PROCESS, COLOR_WHITE, toi_icon_wipe, sizeof(toi_icon_wipe), COLOR_BLACK);
}

// done UI

void ui_screen_done(int restart)
{
    const char *str;
    if (restart <= 3 && restart >= 1) {
        char count_str[24];
        mini_snprintf(count_str, sizeof(count_str), "Done! Restarting in %ds", restart);
        str = count_str;
    } else {
        str = "Done! Unplug the device.";
    }
    display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, COLOR_WHITE);
    display_loader(1000, -20, COLOR_BL_DONE, COLOR_WHITE, toi_icon_done, sizeof(toi_icon_done), COLOR_BLACK);
    display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 24, str, -1, FONT_NORMAL, COLOR_BLACK, COLOR_WHITE, 0);
}

// error UI

void ui_screen_fail(void)
{
    display_bar(0, 0, DISPLAY_RESX, DISPLAY_RESY, COLOR_WHITE);
    display_loader(1000, -20, COLOR_BL_FAIL, COLOR_WHITE, toi_icon_fail, sizeof(toi_icon_fail), COLOR_BLACK);
    display_text_center(DISPLAY_RESX / 2, DISPLAY_RESY - 24, "Failed! Please, reconnect.", -1, FONT_NORMAL, COLOR_BLACK, COLOR_WHITE, 0);
}

// general functions

void ui_fadein(void)
{
    display_fade(0, BACKLIGHT_NORMAL, 1000);
}

void ui_fadeout(void)
{
    display_fade(BACKLIGHT_NORMAL, 0, 500);
    display_clear();
}